PHP·ÖÒ³Àà

<?php
/***************************
* Ò»¸ö·Ç³£ÊµÓøöÐԵķÖÒ³Àà *
****************************
*****************************ʵÀý***********************************
 if(!isset($_GET['page'])){$page = 0;}else{$page = $_GET['page'];}
 $pagedemo = new pageclass;
 $pagedemo->set_sql("SELECT * from `demo` ORDER BY `id` DESC");
 $pagedemo->set_params("type=".$type."");
 $pagedemo->set_setpage($page);
 $pagedemo->set_pagesize(10);
 $pagedemo->set_filename("demo.php");
 $pagedemo->set_pagenumber(5);
 $pagedemo->show(); 
 $result=$pagedemo->result;
 $n=0;
  while ($row=mysql_fetch_row($result)){
   $n++;     
    echo "ÄÚÈÝ";
  }
  $pagedemo->showpage();
*******************************************************************/
class pageclass
{
 /****ÉùÃ÷****/
 var $sqlstr,$filename,$params,$initfirstpage;
 var $pagestart,$pagenumber,$pagesize,$i;
 var $firstpage,$prevpage,$nextpage,$lastpage;
 var $totallines,$maxpage,$totalpages,$result;
 var $page,$final,$getpage,$param,$paramlist;
 
 /****¹¹Ô캯Êý****/
 function pageclass()
 {
  $this->set_initfirstpage("½ö´ËÒ»Ò³"); // ÉèÖÃÖ»ÓÐһҳʱÏÔʾµÄÎÄ×Ö£»
  $this->set_setpage(0);                // ÉèÖÃĬÈϵÚһҳΪ0£»
  $this->set_pagesize(10);              // ÉèÖÃĬÈϼǼÊýΪ10£»
  $this->set_params("");                // ÉèÖÃĬÈϲÎÊýÁбíΪ¿Õ£»
  $this->set_pagestart(0);              // ÉèÖÃĬÈÏ·ÖÒ³ÆðʼÊýΪ0£»
  $this->set_pagenumber(5);  &nbs